Paradyne 3160 Operator's Manual page 117

3160-A2-GB21-80
Table 4-6. Troubleshooting (2 of 3)
Symptom Possible Cause
Message 1. Network cable problem.
Yellow at Net
appears
2. Far-end device has lost
framing sync on the line.
3. Facility problem.
Message DTE has detected an LOS or
LOF condition.
Yellow at DTE
appears
Message 1. Upstream device is
transmitting an AIS.
AIS at Net
appears
2. The network is transmitting
an AIS.
Message DTE is sending an AIS.
AIS at DTE
appears
Message EER at Facility problem.
Net appears
BPV LED is ON 1. Incompatible line coding
format between the DTE and
the DSU/CSU.
2. DTE Drop/Insert (DSX-1)
cable problem.
A failure message Internal DSU/CSU problem.
appears followed
by an 8-digit code
( x x x x x x x x )
Mgmt link is down 1. The manager configuration is
mismatched with the
DSU/CSU configuration.
2. The manager's link layer
protocol is not running.
No SNMP 1. Cable problem.
communication via
the AUX port
2. The link layer protocol is not
running.
March 1999
Maintenance
Solutions
1. Check that your network
cable is securely attached at
both ends.
2. Check the status of the
far-end device.
3. Contact your facility provider.
1. Check the status of the DTE.
2. Check that the DTE
Drop/Insert (DSX-1) cable is
securely attached at both
ends.
1. Check the status of the
upstream device(s).
2. Contact your facility provider.
Check the DTE.
Contact your facility provider.
1. Check that the line coding
format for the DTE
Drop/Insert (DSX-1) interface
is correct.
2. Check that the DTE cable is
securely attached at both
ends.
Record the 8-digit code, then
contact your service
representative.
1. Check that the configurations
are matched.
2. Start the link layer protocol.
1. Check that the cable is
securely attached at both
ends.
2. Change the Aux Use
configuration option to None,
and then back to SNMP or
Daisy (as appropriate).
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